August weather forecastKirkland, WA
August
Weather in August
As the calendar turns to August, Kirkland basks in the final full summer month with temperatures matching July’s highs. Despite the apex heat, August proceeds with controlled humidity and balanced pressure. Prolonged sunlit days and minimal rainfall preserves outdoor enthusiasts' interest. Moreover, with the fading of summer, the month culminates on a slightly cooler note. August's weather, however, ensures that the essence of summer is savored to the fullest.Temperature
Kirkland experiences its highest temperatures in August, with an average peak of 75.9°F (24.4°C) and a low of 53.2°F (11.8°C).Humidity
In August, the average relative humidity is 71%.Rainfall
In August, the rain falls for 6.1 days. Throughout August, 0.55" (14mm) of precipitation is accumulated. In Kirkland, during the entire year, the rain falls for 175.1 days and collects up to 28.58" (726mm) of precipitation.Snowfall
In Kirkland, snow does not fall in May through October.Daylight
The average length of the day in August is 14h and 13min.On the first day of the month, sunrise is at 5:47 am and sunset at 8:42 pm. On the last day of August, sunrise is at 6:27 am and sunset at 7:50 pm PDT.
Sunshine
August has the most sunshine of the year, with an average of 10.7h of sunshine.UV index
In Kirkland, Washington, the average daily maximum UV index in August is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index, 4 during August, leads to the following recommendations:
Ensure safety - Sun damage prevention is strongly urged. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Kirkland, WA
- Average high temperature in August: 75.9°F
The warmest month (with the highest average high temperature) is August (75.9°F).
The month with the lowest average high temperature is December (42.8°F).
- Average low temperature in August: 53.2°F
The month with the highest average low temperature is August (53.2°F).
The coldest month (with the lowest average low temperature) is December (34.7°F).
Average pressure in August
Kirkland, WA
- Average pressure in August: 30"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in August
Kirkland, WA
- Average wind speed in August: 3.4mph
The windiest months (with the highest average wind speed) are January and March (5.2mph).
The calmest month (with the lowest average wind speed) is August (3.4mph).
Average humidity in August
Kirkland, WA
- Average humidity in August: 71%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is July (70%).
Average rainfall in August
Kirkland, WA
- Average rainfall in August: 0.55"
The wettest month (with the highest rainfall) is December (4.21").
The driest month (with the least rainfall) is July (0.43").
Average rainfall days in August
Kirkland, WA
- Average rainfall days in August: 6.1 days
The month with the highest number of rainy days is March (19.9 days).
The month with the least rainy days is August (6.1 days).
Average snowfall in August
Kirkland, WA
- Average snowfall in August: 0"
The month with the highest snowfall is February (2.95").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in August
Kirkland, WA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (3.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in August /
Average sunshine in August
Kirkland, WA
- Average daylight in August: 14h and 12min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in August: 10h and 42min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The months with the least sunshine are January and December (Average sunshine: 4h and 24min).
Average sunshine days in August
Kirkland, WA
- Average sunshine days in August: 22.8 days
The month with the most sunshine days is August (22.8 days).
The month with the least sunshine days is March (8.9 days).
Average UV index in August
Kirkland, WA
- Average UV index in August: 4
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in August
Kirkland, WA
- Average cloud cover in August: 25
The months with the most cloud cover are January and December (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in August
Kirkland, WA
- Average visibility in August: 6mi
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, November and December (5mi).
